// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_

#include "base/macros.h"
#include "content/browser/renderer_host/input/synthetic_gesture.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
#include "content/browser/renderer_host/input/synthetic_pointer_driver.h"
#include "content/common/content_export.h"
#include "content/common/input/synthetic_tap_gesture_params.h"

namespace content {

class CONTENT_EXPORT SyntheticTapGesture : public SyntheticGesture {
public:
    explicit SyntheticTapGesture(const SyntheticTapGestureParams& params);
    ~SyntheticTapGesture() override;

    SyntheticGesture::Result ForwardInputEvents(
        const base::TimeTicks& timestamp,
        SyntheticGestureTarget* target) override;

private:
    enum GestureState {
        SETUP,
        PRESS,
        WAITING_TO_RELEASE,
        DONE
    };

    void ForwardTouchOrMouseInputEvents(const base::TimeTicks& timestamp,
        SyntheticGestureTarget* target);

    base::TimeDelta GetDuration() const;

    SyntheticTapGestureParams params_;
    std::unique_ptr<SyntheticPointerDriver> synthetic_pointer_driver_;
    base::TimeTicks start_time_;
    SyntheticGestureParams::GestureSourceType gesture_source_type_;
    GestureState state_;

    DISALLOW_COPY_AND_ASSIGN(SyntheticTapGesture);
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_
